Overflow Fish Tank Comb Aquarium Weir Plastic Avoid Anti-Spill Clear/Black Gloss
You can install it on the aquarium, it can effectively prevent fish from overflowing from the aquarium. Colour:Clear/Black Gloss. Type: With Suction Cup/Without Suction Cup. Size: Width are 5cm, length are 10cm/20cm/30cm, suction cup optional.